Where does “tertiäärikausi” come from?

tertiäärikausi (Finnish) comes from Finnish tertiääri, from Swedish tertiär, from Latin tertiārius, from Latin tertius, from Latin trēs, from Proto-Italic trēs, from Proto-Indo-European *tréyes.

tertiäärikausi (Finnish): Tertiary

Definitions

  1. Tertiary

Ancestry of “tertiäärikausi”, step by step

tertiäärikausi traces back through two separate lines of ancestry.

via Finnish tertiääri

StepLanguageWordMeaning
1FinnishtertiääriTertiary
2Swedishtertiär
3Latintertiāriuscontaining a third part
4Latintertiusthird, the ordinal number after secundus and...
5Latintrēsthree; 3
6Proto-Italictrēsthree
7Proto-Indo-European*tréyes

via Finnish kausi

StepLanguageWordMeaning
1Finnishkausiperiod, age, epoch, season; term; period
2Proto-Finnickauci(section of a) road, way, path; part of a journey
3Proto-Finno-Permickawteroad? way? passage ?

Words derived from “tertiäärikausi

Every word from Proto-Indo-European *tréyesEvery word from Proto-Italic trēsEvery word from Latin trēs